'Global vars
Dim mblnLogSuccessEvent 'As Boolean
Dim mstrIdentifier 'As String
'On Error Resume Next
Call Main
'*********************************************************************************************
' PROCEDURE: Main
' DESCRIPTION: Reads the script parameters and creates the cluster disks discovery data.
' PARAMETERS: void
'*********************************************************************************************
Private Sub Main()
' Targeted at Microsoft.Windows.Cluster.VirtualServer (based on Microsoft.Windows.Server.Computer)
Dim strSourceID 'As String '= oArgs(4). strSourceId is the GUID of the discovery object that runs the script (MPElement).
Dim strManagedEntityId 'As String '= oArgs(5) - strManagedEntityId is the GUID of the computer class that is targeted by the script (Target/Id).
Dim strTargetComputer 'As String '= oArgs(6)
Dim strClusterGroupName 'As String '= oArgs(7)
Dim objMomScriptAPI 'As MOM.ScriptAPI
Dim objDiscoveryData 'As DiscoveryData
Dim intSuccess 'As Integer
Dim strErrorMessage
Dim strClusterName
Call SetLocale("en-us")
On Error Resume Next
Err.Clear
Set objMomScriptAPI = CreateObject("MOM.ScriptAPI")
If Err.Number <> 0 Then
WScript.Quit(-1)
End If
If Not GetClusterName(strClusterName) Then
WScript.Quit(-1)
End If
If Not GetScriptParameters(strSourceID, strManagedEntityId, strTargetComputer, strClusterGroupName) Then
' If the script is called without the required arguments,
' create an information event and then quit.
strErrorMessage = "-- Cluster Disks Discovery Script -- The script was called with fewer than six arguments or the arguments could not be parsed."
Call LogScriptEvent(0, EVENT_ID_SCRIPTERROR, EVENT_TYPE_WARNING, strErrorMessage,objMomScriptAPI)
Set objMomScriptAPI = Nothing
WScript.Quit (-1)
End If
Set objDiscoveryData = objMomScriptAPI.CreateDiscoveryData(0, strSourceID, strManagedEntityId)
If Err.Number <> 0 Then
strErrorMessage = "-- Cluster Disks Discovery Script -- Cannot create Discovery Data object."
Call LogScriptEvent(0, EVENT_ID_SCRIPTERROR, EVENT_TYPE_WARNING, strErrorMessage,objMomScriptAPI)
Set objDiscoveryData = Nothing
Set objMomScriptAPI = Nothing
WScript.Quit(-1)
End If
'Discover instances
intSuccess = DiscoverClusterDisks(strTargetComputer, strClusterName,strClusterGroupName, objDiscoveryData)
If intSuccess = SCRIPT_SUCCESS Then
If mblnLogSuccessEvent Then
strErrorMessage = "-- Cluster Disks Discovery Script -- Script executed successfully."
Call LogScriptEvent(0, EVENT_ID_SUCCESS, EVENT_TYPE_INFORMATION, strErrorMessage,objMomScriptAPI)
End If
'Return discovery data
Call objMomScriptAPI.Return(objDiscoveryData)
Else
strErrorMessage = "-- Cluster Disks Discovery Script -- An error occurred while running the script."
Call LogScriptEvent(0, EVENT_ID_SUCCESS, EVENT_TYPE_INFORMATION, strErrorMessage,objMomScriptAPI)
End If
Set objDiscoveryData = Nothing
Set objMomScriptAPI = Nothing
On Error Goto 0
End Sub
'****************************************************************************************************************
' FUNCTION: DiscoverClusterDisks
' DESCRIPTION: Discover instances of the class 'Microsoft.Windows.Server.ClusterDisksMonitoring.ClusterDisk' using WMI.
' PARAMETERS: IN String strTargetComputer: principal name of the targeted 'Microsoft.Windows.Cluster.VirtualServer' instance.
' IN String strClusterName: the cluster containing the cluster shared volume
' OUT Object objDiscoveryData: initialised DiscoveryData instance
' RETURNS: Integer: 0 if successful and 1 if fails
'****************************************************************************************************************
Private Function DiscoverClusterDisks(ByRef strTargetComputer, ByRef strClusterName,ByRef strClusterGroupName, ByRef objDiscoveryData) 'As Integer
Dim objMSClusterSWbemServices 'As SWbemServices
Dim objClusterResources 'As SWbemObject
Dim objClusterResource 'As SWbemObject
Dim objClusterDisk 'As SWbemObject
Dim objClusterDisks 'As SWbemObject
Dim objClusterDiskPartition 'As SWbemObject
Dim objClusterDiskPartitions 'As SWbemObject
Dim intSuc 'As Integer
Dim objResourceGroups
Dim objResourceGroup
DiscoverClusterDisks = SCRIPT_WITH_ERROR
'Connect to WMI NS \\.\root\MSCluster
If Not ConnectToWbemNS(".", WMI_MSCLUSTER_NAMESPACE, objMSClusterSWbemServices) Then
Exit Function
End If
If Not GetClusterGroup(strTargetComputer, strClusterGroupName, objMSClusterSWbemServices, objResourceGroups) Then
Exit Function
End If
On Error Resume Next
Err.Clear
For Each objResourceGroup In objResourceGroups
If (Err.Number <> 0) Then
Set objResourceGroups = Nothing
Exit Function
End If
Set objClusterResources = objResourceGroup.Associators_(WMI_MSCLUSTER_RESOURCEGROUP_TO_RESOURCE, "", "", "", False, False, "", "", 0)
If (Err.Number <> 0 Or Not HasValue(objClusterResources) ) Then
Set objClusterResources = Nothing
Set objResourceGroups = Nothing
Exit Function
End If
For Each objClusterResource In objClusterResources
'Get the associated disk partition
Set objClusterDisks = objClusterResource.Associators_(WMI_CLUSTER_RESOURCE_TO_DISK_ASSOCIATOR_CLASS, "", "", "", False, False, "", "", 0)
If (Err.Number <> 0 Or Not HasValue(objClusterDisks) ) Then
Set objClusterDisks = Nothing
Set objClusterResources = Nothing
Set objResourceGroups = Nothing
Exit Function
End If
For Each objClusterDisk In objClusterDisks
If (Err.Number <> 0) Then
Set objClusterDisks = Nothing
Set objClusterResources = Nothing
Set objResourceGroups = Nothing
Exit Function
End If
'Get the associated resource
Set objClusterDiskPartitions = objClusterDisk.Associators_(WMI_CLUSTER_DISKPARTITION_TO_DISK_ASSOCIATOR_CLASS, "", "", "", False, False, "", "", 0)
If (Err.Number <> 0 Or Not HasValue(objClusterDiskPartitions) ) Then
Set objClusterDiskPartitions = Nothing
Set objClusterDisks = Nothing
Set objClusterResources = Nothing
Set objResourceGroups = Nothing
Exit Function
End If
For Each objClusterDiskPartition In objClusterDiskPartitions
If (Err.Number <> 0) Then
Set objClusterDiskPartitions = Nothing
Set objClusterDisks = Nothing
Set objClusterResources = Nothing
Set objResourceGroups = Nothing
Exit Function
End If
If (Err.Number <> 0 Or SCRIPT_WITH_ERROR = intSuc) Then
Set objClusterDiskPartitions = Nothing
Set objClusterDisks = Nothing
Set objClusterResources = Nothing
Set objResourceGroups = Nothing
Exit Function
End If
Next
Next
Next
If Err.Number <> 0 Then
Set objClusterDiskPartitions = Nothing
Set objClusterDisks = Nothing
Set objClusterResources = Nothing
Set objResourceGroups = Nothing
Exit Function
End If
Next
DiscoverClusterDisks = SCRIPT_SUCCESS
Set objClusterDiskPartitions = Nothing
Set objClusterDisks = Nothing
Set objClusterResources = Nothing
Set objResourceGroups = Nothing
On Error Goto 0
End Function
'****************************************************************************************************************
' FUNCTION: GetClusterGroup
' DESCRIPTION: Get instances of the class MSCluster_ResourceGroup using WMI.
' PARAMETERS: IN String strTargetComputer: principal name of the targeted 'Microsoft.Windows.Cluster.VirtualServer' instance.
' IN String strGroupName: the cluster group name
' OUT Object objResourceGroups: initialised ResourceGroup instance
' RETURNS: Boolean: True if successful and False if failed
'****************************************************************************************************************
Private Function GetClusterGroup(strTargetComputer, strGroupName, objMSClusterSWbemServices, ByRef objResourceGroups)
Dim objClusterResNetworks
Dim objClusterResNet
Dim objResGroupAsc
Dim objResGroups
Dim strDnsName
Dim blnUseResource
Dim strComputerName
Dim objResourceGroup
blnUseResource = False
GetClusterGroup = False
Set objResourceGroups = Nothing
On Error Resume Next
If Not HasValue(objMSClusterSWbemServices) Then
Exit Function
End If
If (0 = Len(strGroupName) ) Then
Err.Clear
strComputerName = GetComputerName(strTargetComputer)
Set objClusterResNetworks = objMSClusterSWbemServices.ExecQuery("select * from " & WMI_MSCLUSTER_CLUSTER_RESOURCE & " where Type = 'Network Name'")
If (Err.Number <> 0 Or Not HasValue(objClusterResNetworks) ) Then
Set objClusterResNetworks = Nothing
Exit Function
End If
For Each objClusterResNet In objClusterResNetworks
If Err.Number <> 0 Then
Set objClusterResNetworks = Nothing
Exit Function
End If
strDnsName = LCase(objClusterResNet.PrivateProperties.DnsName)
If ( strComputerName = strDnsName ) Then
blnUseResource = True
Else
blnUseResource = false
End If
If blnUseResource = true Then
Set objResGroups = objClusterResNet.Associators_(WMI_MSCLUSTER_RESOURCEGROUP_TO_RESOURCE, "", "", "", False, False, "", "", 0)
If (Err.Number <> 0 Or Not HasValue(objResGroups) ) Then
Set objResGroups = Nothing
Set objClusterResNetworks = Nothing
Exit Function
End If
For Each objResGroupAsc In objResGroups
If Err.Number <> 0 Then
Set objResGroups = Nothing
Set objClusterResNetworks = Nothing
Exit Function
End If
strGroupName = objResGroupAsc.Name
Exit For
Next
If (Len(strGroupName) > 0) Then
Exit For
End If
End If
Next
If Err.Number <> 0 Then
Exit Function
End If
End If
If ( HasValue(strGroupName) ) Then
If Len(strGroupName) > 0 Then
Set objResourceGroups = objMSClusterSWbemServices.ExecQuery("select * from " & WMI_MSCLUSTER_RESOURCEGROUP & " where Name='" & strGroupName & "'")
If Err.Number = 0 Then
GetClusterGroup = True
End If
End If
End If
Set objResGroups = Nothing
Set objClusterResNetworks = Nothing
On Error Goto 0
End Function
'****************************************************************************************************************
' FUNCTION: CreateDiscoveryData
' DESCRIPTION: Create discovery data for
' <ClassType ID="Microsoft.Windows.Server.ClusterDisksMonitoring.ClusterDisk" Accessibility="Internal" Abstract="false" Base="Windows!Microsoft.Windows.ApplicationComponent" Hosted="true" Singleton="false">
' <Property ID="ClusterResourceName" Type="string" Key="true" CaseSensitive="false" Length="256" MinLength="0" />
' <Property ID="ClusterDiskName" Type="string" Key="false" CaseSensitive="false" Length="256" MinLength="0" />
' <Property ID="PartitionName" Type="string" Key="false" CaseSensitive="false" Length="256" MinLength="0" />
' <Property ID="PartitionFileSystem" Type="string" Key="false" CaseSensitive="false" Length="256" MinLength="0" />
' <Property ID="PartitionSize" Type="int" Key="false" />
' <Property ID="ClusterName" Type="string" Key="false" CaseSensitive="false" Length="256" MinLength="0" />
' <Property ID="VolumeLabel" Type="string" Key="false" CaseSensitive="false" Length="256" MinLength="0" />
' </ClassType>
'
' PARAMETERS: IN Object objClusterResource: the cluster disks as SWbemObject of type MSCluster_Disk.
' IN Object objClusterDiskPartition: the associated disk partition as SWbemObject of type MSCluster_DiskPartition.
' IN Object objClusterResource: the associated cluster resource as SWbemObject of type MSCluster_Resource.
' IN String strTargetComputer: the principal name of the targeted cluster virtual server hosting the cluster shared volume,
' i.e. the cluster name and not the current owner!
' IN String strClusterName: the cluster containing the cluster shared volume
' OUT Object objDiscoveryData: initialised DiscoveryData instance
' RETURNS: Integer: 0 if successful or 1 if Error
'****************************************************************************************************************
Private Function CreateDiscoveryData(ByRef objClusterDisk, ByRef objClusterDiskPartition, ByRef objClusterResource, _
ByRef strTargetComputer, ByRef strClusterName, ByRef objDiscoveryData) 'As Integer
Dim objInstance 'As MOMClassInstance
CreateDiscoveryData = SCRIPT_WITH_ERROR
On Error Resume Next
Err.Clear
'Create the cluster shared volume instance hosted on the targeted cluster virtual server
Set objInstance = objDiscoveryData.CreateClassInstance("$MPElement[Name='Microsoft.Windows.Server.ClusterDisksMonitoring.ClusterDisk.LegacyOS']$")
If Err.number <> 0 Then
Exit Function
End If
If ( 0 = Err.Number) Then
Call objDiscoveryData.AddInstance(objInstance)
If ( 0 = Err.Number) Then
CreateDiscoveryData = SCRIPT_SUCCESS
End If
End If
Set objInstance = Nothing
On Error Goto 0
End Function
'******************************************************************************
' FUNCTION: GetScriptParameters
' DESCRIPTION: Reads the script's parameters
' and sets the global variables.
'
' PARAMETERS: OUT String strSourceID: Id of MP element ($MPElement$)
' OUT String strManagedEntityId: Id of targeted entity ($Target/Id$)
' OUT String strTargetComputer: Principal name of executing computer
' (-Target/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/PrincipalName-)
' OUT String strClusterGroupName: Cluster Group name
' RETURNS: Boolean: True if successful
'******************************************************************************
Private Function GetScriptParameters(ByRef strSourceID, ByRef strManagedEntityId, ByRef strTargetComputer, ByRef strClusterGroupName) 'As Boolean
Dim objArguments
On Error Resume Next
'cmdline: <script> True|False <path to debug log> True|False <script id> .MPElement. .Target/Id. .Target/Host/Property[Name="Windows!Microsoft.Windows.Computer"]/PrincipalName.
Set objArguments = WScript.Arguments
If objArguments.Count < 6 Then Exit Function
Err.Clear
'Get parameters and set global variables
mblnLogSuccessEvent = CBool(objArguments(0))
If (Err.Number <> 0 ) Then
mblnLogSuccessEvent = False
End If
If Len(strSourceID) > 0 And Len(strManagedEntityId) > 0 And Len(strTargetComputer) > 0 And Len(strClusterGroupName) > 0 Then GetScriptParameters = True
On Error Goto 0
End Function
'****************************************************************************************************************
' FUNCTION: GetClusterName
' DESCRIPTION: Returns the cluster name of the given cluster virtual name
' PARAMETERS: OUT String strClusterName: string to return the cluster name
' RETURNS: Boolean: True if successful
'****************************************************************************************************************
Private Function GetClusterName(ByRef strClusterName) 'As Boolean
Dim objMSClusterSWbemServices 'As SWbemServices
Dim strWQLQuery 'As String
Dim objClusters 'As SWbemObjectSet
Dim objCluster 'As SWbemObject
Dim bResult
If (True = bResult And Len(strClusterName) > 0 ) Then
GetClusterName = bResult
Exit Function
End If
On Error Resume Next
Err.Clear
'Connect to WMI NS \\.\root\MSCluster
If ConnectToWbemNS(".", WMI_MSCLUSTER_NAMESPACE, objMSClusterSWbemServices) Then
strWQLQuery = "select * from " & WMI_MSCLUSTER_CLUSTER_CLASS
Set objClusters = objMSClusterSWbemServices.ExecQuery(strWQLQuery)
If HasValue(objClusters) Then
For Each objCluster In objClusters
strClusterName = objCluster.Name
Next 'objCluster
If Len(strClusterName) > 0 Then GetClusterName = True
End If
Set objClusters = Nothing
End If
On Error Goto 0
End Function
'****************************************************************************************************************
' FUNCTION: GetClusterNameFromRegistry
' DESCRIPTION: Returns the cluster name of the given cluster virtual name
' PARAMETERS: OUT String strClusterName: string to return the cluster name
' RETURNS: Boolean: True if successful
'****************************************************************************************************************
Private Function GetClusterNameFromRegistry(ByRef strClusterName) 'As Boolean
Dim objReg 'Registry
Const ClusterNamePath = "HKLM\Cluster\ClusterName"
strClusterName = ""
GetClusterNameFromRegistry = False
On Error Resume Next
Err.Clear
Set objReg = CreateObject("WScript.Shell")
strClusterName = objReg.RegRead(ClusterNamePath)
If (0 = Err.Number ) Then
GetClusterNameFromRegistry = True
End If
Set objReg = Nothing
On Error Goto 0
End Function
'****************************************************************************************************************
' FUNCTION: GetComputerName ' DESCRIPTION: return short computername
' PARAMETERS: IN String strTargetComputer: principal name of the targeted 'Microsoft.Windows.Cluster.VirtualServer' instance.
' RETURNS: Integer: 0 if successful and 1 if fails
'****************************************************************************************************************
Private Function GetComputerName(strTargetComputer)
Dim strComputerName
Dim PointPos
PointPos = InStr(strTargetComputer, ".")
If PointPos > 0 Then
strComputerName = LCase(Left(strTargetComputer, PointPos - 1))
Else
strComputerName = LCase(strTargetComputer)
End If
GetComputerName = strComputerName
End Function
'******************************************************************************
' FUNCTION: ConnectToWbemNs
' DESCRIPTION: Connects to a WMI namespace
' PARAMETERS: IN String strServerName: name of the computer. If empty the local computer will be used.
' IN String strNameSpace: WMI namespace
' OUT Object objSWbemServices: WbemScripting.SWbemServices object connected to the given
' namespace on the given server
' RETURNS: Boolean: True if successful
'******************************************************************************
Private Function ConnectToWbemNS(ByRef strServerName, ByRef strNameSpace, ByRef objSWbemServices) 'As Boolean
ConnectToWbemNS = False
Dim objSWbemLocator 'as WbemScripting.SWbemLocator
On Error Resume Next
'Create a new WMI Locator object
Set objSWbemLocator = CreateObject("WbemScripting.SWbemLocator")
IF HasValue(objSWbemLocator) Then
'Connect to WMI namespace on strServerName computer and create WMI Services object
Set objSWbemServices = objSWbemLocator.ConnectServer(strServerName, strNameSpace)
END IF
'If object is initialised function will be successful
ConnectToWbemNS = HasValue(objSWbemServices)
On Error Goto 0
End Function
Private Function HasValue(Value)
Dim bNothing
bNothing = false
IF ( IsObject(Value) ) THEN
IF (Nothing is Value) THEN
bNothing = true
END IF
END IF
HasValue = Not ( IsEmpty(Value) or bNothing or IsNull(Value) )
End Function
Private Function GetLogScriptName()
GetLogScriptName = "-- Cluster Disks Discovery Script -- " & vbCrLf & vbCrLf & "Script name: " & WScript.ScriptName & vbCrLf & "Version: " & SCRIPT_VERSION & vbCrLf
End Function
'******************************************************************************
' Subroutine: LogScriptEvent
' DESCRIPTION: Logging events to EventSource
' PARAMETERS: IN Integer LogType: 0 - MomScriptApi; 1 - File, 2 - Screen .
' IN String Message: Event Description
' OUT Object objSWbemServices: WbemScripting.SWbemServices object connected to the given
' namespace on the given server
' RETURNS: Boolean: True if successful
'******************************************************************************
Sub LogScriptEvent(LogType,EventId,EventLevel,Message,objMomScriptAPI)
Dim strMessage
Dim sDate
Dim LogScriptName
On Error Resume Next
If (0 = LogType) Then
If (Not HasValue(objMomScriptAPI)) Then
Exit Sub
End If
LogScriptName = GetLogScriptName()
Call objMomScriptAPI.LogScriptEvent(LogScriptName,EventId,EventLevel,Message)
Else
sDate = Now()
strMessage = "" & sDate & Message
If (1 = LogType) Then
WScript.Echo strMessage
End If
End If
On Error Goto 0
End Sub </Script></ScriptBody>
<TimeoutSeconds>$Config/TimeoutSeconds$</TimeoutSeconds>
</ProbeAction>
</MemberModules>
<Composition>
<Node ID="VbProbe">
<Node ID="DS"/>
</Node>
</Composition>
</Composite>
</ModuleImplementation>
<OutputType>System!System.Discovery.Data</OutputType>
</DataSourceModuleType>
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